Technical Description (Comment)

Current trouble 

• The A/C-ECU or the middle grade type multi-center display unit may be defective.

Past trouble 

• Carry out diagnosis with particular emphasis on connector(s) or wiring harness between the A/C-ECU and the multi-center display unit (middle grade type). For diagnosis procedures, refer to "How to cope with past trouble" (Refer to HOW TO USE TROUBLESHOOTING/INSPECTION SERVICE POINTS ).